Albert Einstein hypothesized these ripples in the fabric of space-time a century ago. Now scientists have detected them for the 3rd time, from distant black hole collisions.
An update on the science coming out of the Juno spacecraft mission to the gas giant planet Jupiter - largest planet in our solar system - and some spectacular recent images.
Radar astronomers are peering toward asteroid 2017 CS, closest on May 29. Another asteroid - 418094 (2007 WV4) - will be closest June 1. Charts here for Saturday night, for 8-inch or larger 'scopes!
When astronomers aimed the Very Large Array at the well-studied galaxy Cygnus A, they were surprised to find a bright new object near the galaxy’s core. Supernova explosion, or a second supermassive black hole?
Dawn mission specialists maneuvered the spacecraft into a special orbit, so that it could look down on Ceres' famous bright spots from a position known to astronomers as opposition.